/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.isis.objectstore.sql;
import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
import org.apache.isis.core.metamodel.adapter.mgr.AdapterManager;
import org.apache.isis.core.metamodel.adapter.oid.Oid;
import org.apache.isis.core.metamodel.adapter.oid.RootOid;
import org.apache.isis.core.metamodel.adapter.oid.RootOidDefault;
import org.apache.isis.core.metamodel.adapter.oid.TypedOid;
import org.apache.isis.core.metamodel.spec.ObjectSpecification;
import org.apache.isis.core.runtime.system.context.IsisContext;
import org.apache.isis.core.runtime.system.persistence.PersistenceSession;
public class IdMappingAbstract {
private String column;
protected void setColumn(final String column) {
this.column = Sql.identifier(column);
}
protected String getColumn() {
return column;
}
public void appendWhereClause(final DatabaseConnector connector, final StringBuffer sql, final RootOid oid) {
sql.append(column);
sql.append(" = ");
appendObjectId(connector, sql, oid);
}
public void appendObjectId(final DatabaseConnector connector, final StringBuffer sql, final RootOid oid) {
sql.append("?");
connector.addToQueryValues(primaryKey(oid));
}
public void appendCreateColumnDefinitions(final StringBuffer sql) {
sql.append(column);
sql.append(" ");
sql.append(Defaults.TYPE_PK() + " NOT NULL PRIMARY KEY");
}
public void appendColumnDefinitions(final StringBuffer sql) {
sql.append(column);
sql.append(" ");
sql.append(Defaults.TYPE_PK());
}
public void appendColumnNames(final StringBuffer sql) {
sql.append(column);
}
public void appendInsertValues(final DatabaseConnector connector, final StringBuffer sql, final ObjectAdapter object) {
if (object == null) {
sql.append("NULL");
} else {
appendObjectId(connector, sql, (RootOid) object.getOid());
// sql.append(connector.addToQueryValues(primaryKeyAsObject(object.getOid())));
}
}
public String primaryKey(final RootOid oid) {
return oid.getIdentifier();
}
public TypedOid recreateOid(final Results rs, final ObjectSpecification specification) {
final Object object = rs.getObject(column);
if (object == null) {
return null;
}
final int id = ((Integer) object).intValue();
return new RootOidDefault(specification.getSpecId(), "" + id, Oid.State.PERSISTENT);
}
protected ObjectAdapter getAdapter(final ObjectSpecification spec, final Oid oid) {
final ObjectAdapter adapter = getAdapterManager().getAdapterFor(oid);
if (adapter != null) {
return adapter;
}
// REVIEW: where the oid is a TypedOid, the following two lines could be replaced by
// getPersistenceSession().recreatePersistentAdapter(oid)
// is preferable, since then reuses the PojoRecreator impl defined within SqlPersistorInstaller
final Object recreatedPojo = spec.createObject();
return getPersistenceSession().mapRecreatedPojo(oid, recreatedPojo);
}
protected AdapterManager getAdapterManager() {
return getPersistenceSession().getAdapterManager();
}
protected PersistenceSession getPersistenceSession() {
return IsisContext.getPersistenceSession();
}
}